The manufacturer may have provided a workaround in the event of a complete communication network failure. Vehicle operation is affected by the lack of operation of the NOXS-A. Symptoms of a U029D code may include: Malfunction Indicator Light ON. NOXS-A won't power up / inoperative / no voltage produced by sensor module.
OBD connector location for Citroen Xsara Picasso (1999 – 2008) The connector is on the left under the steering wheel. Remove the fuses box cover on the left of the steering wheel under the headlights regulator. OBD connector. Where is the OBD port on a Citroen C4 Cactus? OBD connector location for Citroen C4 Cactus (2014 – 2018) Compare Citroen car service costs. AVERAGE CUSTOMER RATING. 4.7 star star star star star_half - 208 reviews. Citroen Berlingo. Citroen C4. Citroen C4 Picasso/Grand Picasso. Citroen C5 III. Citroen 2CV-4. Citroen 2CV-6. . 385 241 46 215 215 66 173 279 244